13709895549 has 16 divisors (see below), whose sum is σ = 21245360640. Its totient is φ = 7701441840.

The previous prime is 13709895547. The next prime is 13709895559. The reversal of 13709895549 is 94559890731.

It is not a de Polignac number, because 13709895549 - 2¹ = 13709895547 is a prime.

It is a super-2 number, since 2×13709895549² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13709895492 and 13709895501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13709895541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5531407 + ... + 5533884.

It is an arithmetic number, because the mean of its divisors is an integer number (1327835040).

Almost surely, 2^13709895549 is an apocalyptic number.

It is an amenable number.

13709895549 is a deficient number, since it is larger than the sum of its proper divisors (7535465091).

13709895549 is a wasteful number, since it uses less digits than its factorization.

13709895549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065360.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 13709895549 in words is "thirteen billion, seven hundred nine million, eight hundred ninety-five thousand, five hundred forty-nine".